Method of lasting with wire



May 22, 1923. 1,456,288

M. M. s6RENsEN METHOD OF LASTING WITH WIRE Filed July 12 1919 Fig". 1

Inventor M65rezuaer4 5 %%M -flZto1-mey Patented May 22, 1923.

METHOD OF LASTING WITH WIRE.

Application filed July 12,

To aZZ whom it may concern Be it lrnown that I, BTARIUS METHILTUS SoRnNsnN, a subject of the King of Denmark, residing at Vallerod, near Rungsted,

isle of Sealand, in the Kingdom or" Denmark, have invented certain new and useful Improvements in Methods of Lasting with Wire, of which the following is a specification.

This invention relates' to lasting shoes with tension wire, which wire on the bottom of the last, forms a loop or loops, as a rule one loop for the forepar't or the upper and another loop for the counter. The inven- 1 tion is especially intended to be used in connection with the method covered by U. S.

Patent 1,224,229, in which a wire loop is secured to the lower edge of the upper, and

the ends of the wire are crossed and drawn up the opposite sides of the last to cause the lower edges of the upper to be drawn toward each other.

It is the object of the present invention to provide a method for regulating the tensioneffects exercised by the wire loop or loops upon various points of the lower edges of the upper, so that these effects have locally another force or direction other than if the tension of the wire loop acted freely or equally! on each portion of the lower edges of said upper. A special endeavor is made in the present invention to limit the tension efi'ect at the toe, in order that the upper may not be pulled too far on to the last at this point, and effort is also made to increase the tension efi'ect at the inner side of the ball of the foot, so that the upper will be lasted at this point with suflicient tautness.

The invention is shown diagrammatically on the drawing in Figs. 1 and 2, which show a shoe being lasted, side-view and bottomview, respectively. For the sake of simplicity, the sewed connection of the wire loops with the upper leather, is omitted.

The wire loop 4 serving to last the front part 3 of the shoe, on its contraction due to drawing or pulling the wire-ends in a last-- ing-machine, or by any other means, will to a great extent, only exercise a tension in the direction indicated by the arrows 5 in Fig. 2, i. e. the toe part 6 will be subjected to a much greater tension than the lateral parts 7, and the latter, in reality, will not be subjected to tension in a direction towards 1919. Serial No. 310,445.

the longitudinal center of the last 8 (see arrows 9) until the toev part is pulled quite taut in the direction of the arrow 10. Ac-

cording to this invention this difi'erence in the tension eiiect on the toe-part and sides, respectively, is avoided, in that the tension in the direction of the arrow 10 only at the beginning of the lasting is received by the toe part, and is thereafter received'by! a stationary member, such as the pin 11, so that the wire after reaching the pin no longer has any drawing effect on the toepart, but only has a lasting effect on the lateral parts in th direction of the arrows 9.

The lasting in this direction can be still more increased by passing one or both ends of the wire loop across the bottom and up the side or sides of the central portion of.

the last in a direction transverse to the longitudinal axis of the latter. The drawing shows a special wire-guiding member 12 arranged on the outer side of the last at the outer edge of the portion which shapes the part of the upper engaged by the ball of the foot immediately above the bottom surface of the last. By this construction one. part of the wire 13, is turned about at a right angle to the longitudinal axis of the last, and is drawn over the bottom of the last in a manner that is specially favourable for the lasting of the inner edge of the portion of the upper which supports the ball of the foot, a tension being caused in the direction indicated by the arrow 14, thus about opposite to the tensionefi'ect on the member 11.

Th member 12 may be a flat-headed pin stationarily disposed on the last and only projecting a distance from the last corre sponding to the diameter of the tension-wire. The pin 11 may be driven into the last after every new lasting, to which end there may be disposed in the last a corresponding hole with a metal lining 15.

The described members 11 and 12 act only upon the lasting-wire loop 4} of the front part of the upper 3. For lasting the counter 16 of the upper, the lasting-wire loop 17 which is secured to the lower edges of the counter, may, if desired, be drawn over stops or guides to receive the tension in certain directions and to increase the tension effect in other directions. Fig. 1 shows, by way of example, a pin 18, whose efi'ect is analogous to that of the pin 11. The de tails shown are not essential to the nature of the invention and may be modified in many different ways.

I claim 1. A method for lasting shoes consisting in arranging a tension-wire loop at the lower edges of the upper, contracting this loop to draw the lower edges of the upper toward each other, stopping the contraction of the loop in the longitudinal direction of the same after the toe portion hasheen lasted to a desired extent, and continuing without obstruction the contraction of the entire sides of the loop in a transverse direction only to last the side edges of the upper to a desired extent.

2. A method for lasting shoes, consisting in arranging a tension-wire loop at the lower edges of the front portion of the upper, arranging another tension-wire loop at the lower edges of the counter, contracting these loops, stopping the contraction of the loops in the longitudinal direction of the same after the toe portion of the upper and the rear portion of the counter have direction from the inner side of the ball of the foot towards the toe, and in a transverse direction, stopping the contraction of the loop in the first-named direction after the toe portion of the upper has been lasted to a desired extent, and continuing without obstruction th contraction of the entire sides of the loop in the other directions only! until the sides have been lasted to a desired extent.

In testimony whereof I aflix my signature in the presence of two Witnesses.

MARIUS METHILTUS SGRENSEN.

itnesses:

Ewnnr SKow, N. BUscH-JENNEY. 

